European eel · Anguilla anguilla

European eel in the Roman River (Main Reaches)

Largest measured european eel: 57 cm

The largest european eel measured in Environment Agency surveys of the Roman River (Main Reaches) was 57 cm, recorded at Park Farm on 21 November 2005.

Across 963 measured european eel, the median measured length was 28.9 cm.

Surveyors recorded weights for 963 european eel. The median was 1.3 oz (0.036 kg) and the largest recorded weight was 12.5 oz (0.354 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Roman River (Main Reaches).

See european eel records across England →

Most recent observation12 October 2025Bounstead FGS · 5 fish
Largest measured european eel
57 cm
Median length
28.9 cm
Fish measured
963
Survey locations
5

Individual EA measurements

Largest measured european eel

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
57 cm21 Nov 2005Park Farm88014
55.9 cm25 Oct 2011Upstream Layer Mill128852
55.2 cm21 Oct 2011Park Farm128846
54.1 cm25 Oct 2011Upstream Layer Mill128852
53.6 cm18 Oct 2018Bounstead FGS154056
53.2 cm17 Oct 2017Bounstead FGS152380
52.9 cm16 Oct 2017Upstream Layer Mill152383
52.8 cm16 Oct 2017Upstream Layer Mill152383
52.6 cm8 Nov 2005Upstream Layer Mill88025
52.4 cm25 Oct 2011Upstream Layer Mill128852

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where european eel were found

Each point marks a survey location with at least one european eel record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding european eel
Bounstead FGS6 Mar 198412 Oct 202514
Upstream Layer Mill7 Mar 198416 Oct 20179
Park Farm15 Mar 198421 Oct 20118
Eel specific (Park Farm)14 Jul 200814 Jul 20081
Olivers Farm16 Mar 198414 Nov 20057

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1984–2025

Survey records by year

Each bar shows how many survey visits recorded european eel that year.

Fish measured by surveyors

Measured length distribution

See how the 963 measured fish were spread across different length ranges.

Smallest
7.6 cm
Lower quarter
19.8 cm
Median
28.9 cm
Upper quarter
35.8 cm
Largest
57 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 963 european eel. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.0001 kg)
Lower quarter
0.4 oz (0.0111 kg)
Median
1.3 oz (0.036 kg)
Upper quarter
2.7 oz (0.0774 kg)
Heaviest
12.5 oz (0.354 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Roman River (Main Reaches)

Compare other species with enough survey and measurement data for a detailed page.

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →